/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cassandra.utils;

import java.util.Iterator;
import java.util.PriorityQueue;

public class DestructivePQIterator<T> implements Iterator<T> {
    private PriorityQueue<T> pq;

    public DestructivePQIterator(PriorityQueue<T> pq) {
        this.pq = pq;
    }

    public boolean hasNext() {
        return pq.size() > 0;
    }

    public T next() {
        return pq.poll();
    }

    public void remove() {
        throw new UnsupportedOperationException();
    }
}

